HAMILTON ML-504A Dual Syringe Dispenser 115V Hamilton Single Program Memory Microlab 504A Dual Syringe Dispenser And Controller Supplied with: - Valve Block, Tubing Kit Small Parts Kit - Dual Dispenser Hand Probe - Manufacturers Certification Supplied With 2 Syringes (Please Specify Syringes When Ordering) Instrument Method need to be programmed prior to each use Microlab 500 Instrument